apphost-extract/src/apphost-extract/apphost-extract-v2/Program.cs

using System;
using System.Diagnostics;
using System.IO;
using System.IO.MemoryMappedFiles;
using System.Reflection;

namespace apphost_extract_v2
{
    class Program
    {
        static void Main(string[] args)
        {
            var file = "net31-fd.exe";
            var fs = new FileStream(file, FileMode.Open, FileAccess.Read);

            var d = new Analyzer(fs).GetTextSectionVA();
            var pattern = new byte[] { 0x4c, 0x8D, 0x5, 0xE2, 0x8A, 0x00, 0x00 };
            string mask = "xxxxxxx";

            Log.Info("Scanning for pattern...");
            Stopwatch sw = Stopwatch.StartNew();
            var res = Util.PatternScan(fs, 0, (int)fs.Length, pattern, mask);
            sw.Stop();
            Log.Info("Found pattern at " + res[0].ToString("X8") + $" in {sw.ElapsedMilliseconds}ms");
            
            

            /* Log.Info("apphost-extract by VollRagm\n", ConsoleColor.Yellow);
             var path = GetPath(args);

            // var file = AppHostFile.Open(path2);//path.FullName);
            // Log.Info($"{file.Header.Manifest.FileEntries.Count} embedded file(s) found.");

             var directory = Path.Combine(path.DirectoryName, path.Name.Remove(path.Name.Length - path.Extension.Length) + "_extracted");
             Console.WriteLine();
             Log.Info("Extracting...");

             //file.ExtractAll(directory);

             Console.WriteLine();
             Log.Info("Done.");
           //  file.Close();
             Console.ReadLine();*/
        }

        static FileInfo GetPath(string[] args)
        {
            try
            {
                var fileName = new FileInfo(Assembly.GetExecutingAssembly().Location).Name;

                if (args.Length > 0)
                {
                    if (File.Exists(args[0]))
                    {
                        return new FileInfo(args[0]);
                    }
                    else
                    {
                        Log.Fatal($"{args[0]} could not be found. Usage: {fileName} <path>");
                    }
                }
                else
                {
                    Log.Fatal($"No File provided. Usage: {fileName} <path>");
                }
            }
            catch (Exception ex)
            {
                Log.Fatal($"Could not get file: {ex.Message}");
            }
            return null;
        }
    }
}